pendant

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Something suspended from something else, especially an ornament or piece of jewelry attached to a necklace or bracelet.
2. n. A hanging lamp or chandelier.
3. n. A sculptured ornament suspended from a vaulted Gothic roof or ceiling.
4. n. One of a matched pair; a companion piece.
5. adj. Variant of pendent¹.

Century Dictionary and Cyclopedia

1. Hanging: same as pendent (which is now the usual spelling).
2. n. A loose hanging part; something attached to and hanging loosely from an object of which it is an ornamental or useful part, as a bead, ball, knob, or ring of any material, hanging from a necklace, ear-ring, lamp, the edge of a garment, or a locket hanging from a brooch, or the like. See cut under badge.
3. n. Specifically— An ear-ring.
4. n. A name given to that part of the knightly belt of the fourteenth century which was allowed to hang after passing through the buckle and sometimes through an additional loop: it ended with the chape, which acted as a weight to keep it hanging perpendicularly.
5. n. The part of a watch by which It is suspended, consisting generally of a guard-ring and a pusher-pin.
6. n. An apparatus hanging from a roof or ceiling for giving light, generally branched and ornamented; a chandelier or gaselier.
7. n. In architecture, a hanging ornament used in the vaults and in timber roofs of late and debased medieval architecture, and also in some Oriental architecture. In vaulted roofs pendants are generally richly sculptured, and in timber-work they are variously decorated with carving. See cut in next column.
8. n. A pendulum.
9. n. Nautical: A Short Seine piece of rope with a thimble or block at one end. A long, narrow, tapering flag. See pennant, 1.
10. n. Something attached to or connected with another as an addition; an appendix.
11. n. Something of the same kind, as a companion picture, statue, group of statuary, poem, anecdote, etc.; a parallel.
12. n. The cylindrical stem on a watchcase to which the guard-ring is attached.
13. n. A corollary.

GNU Webster's 1913

1. n. Something which hangs or depends; something suspended; a hanging appendage, especially one of an ornamental character, as to a chandelier or an eardrop; also, an appendix or addition, as to a book.
2. n. An ornamental object or piece of jewelry with a hook so that it can be hung from a chain around the neck.
3. n. (Arch.) A hanging ornament on roofs, ceilings, etc., much used in the later styles of Gothic architecture, where it is of stone, and an important part of the construction. There are imitations in plaster and wood, which are mere decorative features.
4. n. (Fine Arts) One of a pair; a counterpart.
5. n. obsolete A pendulum.
6. n. U.S. The stem and ring of a watch, by which it is suspended.

WordNet 3.0

1. n. branched lighting fixture; often ornate; hangs from the ceiling
2. adj. held from above
3. n. an adornment that hangs from a piece of jewelry (necklace or earring)